The XTA-120V-6 optocoupler module provides six individually isolated 120V AC/DC digital (discrete) inputs to sense on/off levels and drive open-drain outputs. It is intended for use with BusWorks XT Series discrete I/O and other digital input modules to monitor contact closures or mains power supply high/low voltage levels. Each channel senses the presence or absence of high-level voltage to determine the status of proximity switches, limit switches, toggle switches, push buttons, contacts, and other devices. Opto-isolators control an open-drain output to safely interface the status of the monitored signal. These modules are very easy to use. Removable front-facing terminal blocks on the module’s top and bottom greatly simplify field wiring. Rugged construction and high density design combine for a very effective I/O solution. These units are ideal for remote monitoring, distributed control, or SCADA applications. Input Ranges: 0-130Vrms or ±130V DC Output Ranges: Open-drain: 1KΩ pull-up to +5.3V DC, 0-32V DC maximum, 150mA sink Power Requirement: 12 to 32V DC (0.4W)

Performance Specifications

Input

Input Type: Six individually isolated voltage inputs interface voltage levels. Built-in hysteresis provides a sensing threshold for monitoring mains power. Input Signal Voltage Range: 0-130Vrms or ±130V DC Input Signal Threshold: Low-to-High threshold: 90V AC or DC, typical. High-to-Low threshold: 60V AC (55V DC), typical. Input Hysteresis: 30V DC, typical Input Impedance: 46K ohms, typical Input Over-Voltage Protection: Metal Oxide Varistors (MOV) at every channel input. Rated Continuous Voltage: 130Vrms, 130V DC. Rated Maximum Clamping Voltage: 340V DC. Input channels also include capacitive filtering, and series resistance.

Output

Output Type: Six open-drain, mosfet switches with a common source connection at output return. Low-side (sinking) switching between load and return for DC voltage and current-sinking applications only. Output channels are pulled up to +5.3V with 1KΩ resistors. Output “OFF” Voltage Range: 0-32V DC maximum Output “OFF” Leakage Current: 1µA typical, 50µA maximum (mosfet only, 25°C, 32V DC) Output Pull-Ups: 1KΩ pull-ups to 5.3V DC Output Activation: Input                                  Output HIGH > 90V AC/DC      5.3V (OFF) LOW < 60V AC/DC           0V (ON) Output “ON” Current Range: 0 to 150mA DC, continuous, each channel Output Rds On Resistance: 2.5 ohms, maximum (150mA, 85°C) Output Response Time: 45ms, typical (measured from input transition to output) Output Pull-ups: Individual output channels include 1KΩ pull-ups to the internal +5.3V DC rail. If a stronger pull-up (lower resistance) is required, a resistor will have to be wired externally in parallel with the output channel. Note: Do not exceed 150mA of drain current per output channel.

Environmental

Operating Temperature: -40 to 70°C (-40 to 158°F) Storage Temperature: -40 to 85°C (-40 to 185°F) Relative Humidity: 5 to 95% non-condensing Power Requirement: 12–32V DC SELV (Safety Extra Low Voltage). Current draw varies with power voltage as follows (current indicated is with all outputs ON) Power Supply                  Current Draw 12V DC                     23mA typical, 25mA maximum 15V DC                     19mA typical, 21mA maximum 24V DC                    13mA typical, 15mA maximum 32V DC                    11mA typical, 12mA maximum Power Supply Effect: Less than ±0.001% of output span effect per volt DC of supply change. Isolation: Inputs isolated from each other (channel-to-channel) and from output/power. Peak: 1500V AC, ANSI/ISA-82.01-1988 Continuous: 250V AC, 354V DC Shock and Vibration Immunity: Vibration: 4g, per IEC 60068-2-64 Shock: 25g, per IEC 60068-2-27 Electromagnetic Compatibility (EMC) Compliance: Radiated Emissions: BS EN 61000-6-4, CISPR 16 RFI: BS EN 61000-6-2, IEC 61000-4-3 Conducted RFI: BS EN 61000-6-2, IEC 61000-4-6 ESD: BS EN 61000-6-2, IEC 61000-4-2 EFT: BS EN 61000-6-2, IEC 61000-4-4 Surge Immunity: BS EN 61000-6-2, IEC 61000-4-5 Approvals: CE compliant. UL/cUL listings. ATEX Certified. Designed for Class I; Division 2; Groups ABCD; Zone 2. II 3 G Ex nA IIC T4 Gc -40°C < Ta < +80°C

Physical

General: General purpose plastic enclosure for mounting on 35mm “T-type” DIN rail. Case Material: Self-extinguishing polyamide, UL94 V-0 rated, color light gray. General purpose NEMA Type 1 enclosure. Circuit Board: Military grade fire-retardant epoxy glass per IPC-4101/98 with humi-seal conformal coating. I/O Connectors: Removable plug-in type terminal blocks rated for 12A/250V; AWG #26-12, stranded/solid copper wire Dimensions: Width = 22.5mm (0.9 inches) Length = 114.5mm (4.51 inches) Depth = 99.0mm (3.90 inches) Shipping Weight: 0.5 pounds (0.22 Kg) packed  

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